Subtraction Champ is a fun and exciting way for children to learn and practice subtraction. The game features 4 levels of difficulty:

• Level 1 - 10 subtraction questions with the aid of counters. The first number is shown in counters and these can be tapped to take them away. This teaches children the mechanics of subtraction.
• Level 2 - a race against the clock, students have 60 seconds to answer as many subtraction questions as they can, all below 10.
• Level 3 - racing against the clock, students have 60 seconds to answer as many subtraction questions as they can, all below 20.
• Level 4 - racing against the clock, students have 60 seconds to answer as many subtraction questions as they can, all below 100.